E.W. Herold. The Impact of Receiving Tubes on Broadcast and TV Receivers. „Proceedings of the IRE”. 50, s. 805, May 1962. IRE. DOI: 10.1109/JRPROC.1962.288295. ISSN0096-8390.
E.W. Herold. The Impact of Receiving Tubes on Broadcast and TV Receivers. „Proceedings of the IRE”. 50, s. 805, May 1962. IRE. DOI: 10.1109/JRPROC.1962.288295. ISSN0096-8390.